package collection;

import java.util.*;

public class ListDemo {
    public static void main(String[] args) {

        List<String> list = new LinkedList<>();
        list.add("one");
        list.add("two");
        list.add("three");
        list.add("four");
        list.add("five");
        System.out.println("list:"+list);

        String e = list.get(2);
        System.out.println(e);
        for (int i = 0;i< list.size();i++){
            System.out.println(list.get(i));
        }

        Iterator<String> it = list.iterator();
        while (it.hasNext()){
            System.out.println(it.next());
        }
        for (String s : list){
            System.out.println(s);
        }
        System.out.println("----------------------------");

        String old = list.set(2,"six");
        System.out.println("list:"+list);
        System.out.println(old);

       // list.remove(2);
        String a = list.remove(2);
        System.out.println("list:"+list);
        System.out.println(a);

        list.add(3,"seven");
        System.out.println(list);
    }
}
